Though SCCM logs are pretty comprehensive but it's some how short of the additional informaiton that Techies need to get more insight into a error.
The procedure below will enable you to just do that.
Apply the changes to the machine which you need the verbose logging.
Enabling Debug and Verbose Logging
To enable debug logging after installation, create the following registry key:
To enable verbose logging after installation, change the following value to 0. You will need to right click on the @Global key and change permissions to allow the current user to change the data in the key.